CDTi Receives Expanded Purifilter EGR Verification

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VENTURA, Calif., April 23, 2014 (GLOBE NEWSWIRE) -- Clean Diesel Technologies, Inc. (Nasdaq:CDTI) ("CDTi" or the "Company"), a leader in advanced emissions control solutions, is pleased to announce that it has received an expanded verification from the California Air Resources Board ("CARB") for its Purifilter® EGR emission reduction system. The expanded verification presents additional market opportunity for CDTi attributable to a greater range of vehicle applications, such as those operating with lighter loads and lower exhaust temperatures.

The uniquely designed Purifilter® EGR, featuring CDTi's proprietary MPC® technology, is a passively-regenerating diesel particulate filter that provides exceptional filtration and regeneration efficiency for the removal of particulate matter from exhaust gas recirculation ("EGR") equipped heavy duty diesel on-road engines. Purifilter® EGR is verified by both the United States Environmental Protection Agency ("EPA") and CARB for on-road vehicle applications. The product addresses a significant number of EGR equipped heavy duty trucks currently subject to the California Truck and Bus Regulation, which requires diesel trucks and buses that operate in California to be upgraded to reduce emissions by various deadlines.

CDTi also offers the CARB and EPA verified Purifilter® for non-EGR engines, and Purifilter® Plus, which features on-board active regeneration capability with no duty cycle requirement for low load applications. CDTi products feature advanced catalyst technologies which are developed and produced at the Company's Oxnard, California catalyst facility. In addition to heavy duty applications, CDTi's catalyst technologies are utilized by OEM's to meet light duty vehicle emission regulations.

"With the expanded CARB verification for Purifilter® EGR issued, CDTi can assist fleet managers to more broadly retrofit their vehicles to reduce harmful emissions. Our Purifilter® EGR emission reduction system covers the bulk of 2004-2006 engines which are expected to comprise a large portion of the retrofit engines subject to CARB's Truck and Bus Regulation. This expanded verification significantly enhances our competitive position to be the retrofit supplier of choice for this important truck population. With over 30 years of extensive retrofit experience and a large distributor network, we are absolutely prepared and committed to addressing this important market opportunity," said Ian MacDonald, Vice President of Sales & Marketing.

About CDTi

CDTi is a vertically integrated global manufacturer and distributor of emissions control systems and products, focused on the heavy duty diesel and light duty vehicle markets. CDTi utilizes its proprietary patented Mixed Phase Catalyst (MPC®) technology, as well as its ARIS® selective catalytic reduction, Platinum Plus® fuel-borne catalyst, and other related technologies to provide high-value sustainable solutions to reduce emissions, increase energy efficiency and lower the carbon intensity of on- and off-road combustion engine systems. CDTi is headquartered in Ventura, California and currently has operations in the U.S., the U.K., Canada, France, Japan and Sweden. For more information, please visit

Forward-Looking Statements Safe Harbor

Certain information contained in this press release constitutes forward-looking statements. Any statements contained herein that are not statements of historical fact should be considered forward-looking statements, and include in this press release statements regarding market opportunity, product capabilities, utilization and verifications, addressable markets, and the regulatory environment. Forward-looking statements involve known or unknown risks, including, without limitation, the inability of CDTi to capitalize on market opportunities, unforeseen difficulties or delays in CDTi's ability to supply its products, the slowdown or stoppage of demand for emission reduction technologies, and the potential inability of CDTi's products to evolve, remain attractive to customers, or meet evolving standards or trends. In addition, reference is made to the risks detailed in CDTi's filings with the U.S. Securities and Exchange Commission. Readers are cautioned not to place undue reliance on any forward-looking statements, which speak only as of the date made. CDTi assumes no obligation to update the forward-looking information contained in this press release.

CONTACT: Kevin M. McGrath Cameron Associates, Inc. Tel: +1 (212) 245-4577

Source:Clean Diesel Technologies, Inc.